Twitter advertising revenue falls, shares drop more than 10 percent

(Reuters) - Twitter Inc posted the slowest revenue growth since it went public four years ago, sending shares down more than 10 percent on Thursday on fears that rivals Snapchat and Facebook Inc were winning the war for advertising.

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Twitter numbers paint grim profitability picture

(Reuters) - Twitter Inc's desultory earnings report on Thursday show a company with no evident path to profitability, as core costs climb more quickly than revenue while user growth stagnates.

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Snap to spend $1 billion on Amazon cloud services

(Reuters) - Snap Inc, owner of the popular Snapchat app, said it expected to spend $1 billion over the next five years to use Amazon.com Inc's cloud services, in addition to the $2 billion cloud contract it already has with Google .

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Zenefits cuts nearly half its workforce as startup's struggles continue

SAN FRANCISCO (Reuters) - Zenefits is laying off nearly half its staff as the software startup grapples with the fallout of insurance violations that resulted in hefty penalties from state regulators.

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Apple CEO Cook 'optimistic' about UK's future after Brexit: BBC

(Reuters) - Apple Inc Chief Executive Tim Cook told Prime Minister Theresa May the company was optimistic about Britain's future after it leaves the European Union, the BBC reported on Thursday.

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Nasdaq plans venture arm to invest in financial technology: sources

NEW YORK (Reuters) - Exchange operator Nasdaq Inc plans to set up a venture capital arm to invest in financial technology companies that can help grow its own businesses, two people familiar with the plans told Reuters.

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Toshiba receives bids as high as $3.6 billion for chip business stake: source

TOKYO (Reuters) - Toshiba Corp has received bids ranging from 200 billion yen to as much as 400 billion yen ($1.8-3.6 billion) for a 19.9 percent stake in its flash memory business, a person directly involved in the deal told Reuters on Thursday.

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Graphics-chip maker Nvidia's revenue beats expectations

(Reuters) - Nvidia Corp's quarterly revenue surged more than 50 percent for the second straight quarter and beat expectations, helped by rising demand for its graphics chips and strength in rapidly growing areas such as self-driving systems and artificial intelligence.

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Activision sales top Street; Co hikes dividend, sets $1 billion buyback

(Reuters) - Videogame publisher Activision Blizzard Inc reported fourth-quarter revenue above analysts' estimates, raised its dividend and announced a two-year $1 billion stock repurchase plan.

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Mobile app firms settle NYAG claims over data disclosure shortfalls

NEW YORK (Reuters) - Two mobile application developers will more clearly inform users how they collect personal information, as part of a settlement of claims by New York's attorney general that they failed to disclose their data collection practices in privacy policies.

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Source: Reuters